Mac users can normally delete a file using keyboard shortcut Command + Option. Mac also provides users with the option to customise the toolbar to get trash icon. Listed below are step by step instructions to add trash icon to toolbar.
Step 1: Launch Finder window.
Step 2: Click View menu and select Customize Toolbar.
Step 3: Now drag and drop delete icon on to the Toolbar as shown in the below screenshot.
Step 4: Click done to confirm your changes.
Now you should be able to use the trash icon on Mac toolbar to delete the files.